Journal
JOURNAL OF MATHEMATICAL PHYSICS
Volume 54, Issue 6, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4811396
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Funding
- National Science Foundation [DMS-0545895]
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Our previously described method to approximate the many-electron wavefunction in the multiparticle Schrodinger equation reduces this problem to operations on many single-electron functions. In this work, we analyze these operations to determine which function spaces are appropriate for various intermediate functions in order to bound the output. This knowledge then allows us to choose the function spaces in which to control the error of a numerical method for single-electron functions. We find that an efficient choice is to maintain the single-electron functions in L-2 boolean AND L-4, the product of these functions in L-1 boolean AND L-2, the Poisson kernel applied to the product in L-4, a function times the Poisson kernel applied to the product in L-2, and the nuclear potential times a function in L-4/3. Due to the integral operator formulation, we do not require differentiability. (C) 2013 AIP Publishing LLC.
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